Home / 852,684.84-1,279,153.62-283,880.16

Finding the Fourth Proportional to 852,684.84, 1,279,153.62 and 283,880.16

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Solution

The fourth proportional to 852,684.84, 1,279,153.62 and 283,880.16 is: 425,862.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,684.84 : 1,279,153.62 = 283,880.16 : x
  2. Step 2: Convert to fraction form
    852,684.84/1,279,153.62 = 283,880.16/x
  3. Step 3: Cross multiply
    852,684.84x = 1,279,153.62 × 283,880.16
  4. Step 4: Simplify right side
    852,684.84x = 363,126,334,310.18
  5. Step 5: Solve for x
    x = 363,126,334,310.18/852,684.84
  6. Step 6: Final answer
    x = 425,862.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.